package servlet.gc;

import service.StudentService;
import service.StudentServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(urlPatterns = ("/deleteStudent"))
public class DeleteStudentServlet extends HttpServlet {
    StudentService studentService = new StudentServiceImpl();
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String stuId = req.getParameter("stuId");
        int i = studentService.deleteById(Integer.parseInt(stuId));
        resp.setContentType("text/html;charset=utf-8");
        PrintWriter writer = resp.getWriter();
        if (i>0){
            writer.println("<script>alert('删除成功');location.href='/Educational/student/getStudentList'</script>");
        }else {
            writer.println("<script>alert('删除失败');location.href='/Educational/student/getStudentList‘</script>");
        }
    }
}
